demo451.lst

这是单片机实验板比较齐全的程序

C51 COMPILER V7.06   DEMO451                                                               02/10/2007 16:53:41 PAGE 1   


C51 COMPILER V7.06, COMPILATION OF MODULE DEMO451
OBJECT MODULE PLACED IN DEMO451.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE DEMO451.C BROWSE DEBUG OBJECTEXTEND

stmt level    source

   1          //CH451
   2          //AT89C51 C语言程序
   3          //Web: http//winchiphead.com
   4          //Author: yhw  2003.7
   5          
   6          //功能  开机后在最低位置1，其余清零；按下键后，左移两位，在低两位显示
   7          //十进制键值，如果按住键不放，最低位小数点点亮，释放后小数点熄灭。
   8          
   9          #include <reg51.h>
  10          #include "SYBXT1.h"
  11          //如果使用键盘中断请定义
  12          #define  USE_KEY  1
  13          
  14          //须主程序定义的参数
  15          // sbit   ch451_dclk=P1^7;                          //串行数据时钟上升延激活
  16          /// sbit   ch451_din=P1^6;                              // 串行数据输出，接CH451的数据输入
  17          // sbit   ch451_load=P1^5;                        //串行命令加载，上升延激活
  18          // sbit   ch451_dout=P3^3;                        //INT1，键盘中断和键值数据输入，接CH451的数据输出
  19          // uchar  ch451_key;                            // 存放键盘中断中读取的键值
  20           
  21          //*************************************************
  22           //延时程序
  23           void delay(){                                  //在12P下延时十毫秒
  24   1         uchar i,j,k;
  25   1         for(i=0;i<10;i++)
  26   1           for(j=0;j<40;j++)
  27   1             for(k=0;k<120;k++);
  28   1        }
  29          
  30          //************************************************
  31          void test451(){
  32   1         uchar a,b,c,d;
  33   1         d=0;
  34   1         ch451_init();                                  //调用初始化
  35   1         ch451_write(0x403);
  36   1         ch451_write(0x580);                           //测试送入命令
  37   1         ch451_write(CH451_DIG0|0X01);                 //最低位显示1
*** ERROR C202 IN LINE 37 OF DEMO451.C: 'CH451_DIG0': undefined identifier
  38   1         EA=1;
  39   1         ch451_key=0x0ff;
  40   1         while(1){
  41   2          while(ch451_key==0xff);                     //等待中断
  42   2          a=ch451_key;
  43   2          d=a;
  44   2          ch451_key=0x0ff;
  45   2          ch451_write(0x300);                       //左移两位
  46   2          ch451_write(0x300);
  47   2          a&=0x3f;                                 //显示十进制数据
  48   2          b=a;
  49   2          a/=10;
  50   2          ch451_write(CH451_DIG1|a);
*** ERROR C202 IN LINE 50 OF DEMO451.C: 'CH451_DIG1': undefined identifier
  51   2          b%=10;
  52   2          ch451_write(CH451_DIG0|b);
*** ERROR C202 IN LINE 52 OF DEMO451.C: 'CH451_DIG0': undefined identifier
C51 COMPILER V7.06   DEMO451                                                               02/10/2007 16:53:41 PAGE 2   

  53   2           delay();
  54   2           c=ch451_read();
  55   2           while(c==d)                           //测试按键是否释放
  56   2           {
  57   3            ch451_write(CH451_DIG0|b|0x80);
*** ERROR C202 IN LINE 57 OF DEMO451.C: 'CH451_DIG0': undefined identifier
  58   3            delay();
  59   3            c=ch451_read();
  60   3           }
  61   2          ch451_write(CH451_DIG0|b);
*** ERROR C202 IN LINE 61 OF DEMO451.C: 'CH451_DIG0': undefined identifier
  62   2       }
  63   1      }

C51 COMPILATION COMPLETE.  0 WARNING(S),  5 ERROR(S)